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Gala2k [10]
3 years ago
5

Please explain this to me!

Mathematics
1 answer:
Charra [1.4K]3 years ago
5 0
One meaning of a 'linear' equation is that if you draw the graph
of the equation, the graph will be a straight line.

That's an easy way to test the equation . . . find 3 points on the
graph, and see whether they're all in a straight line.

This equation is        y  =  4 / x .

To find a point on the graph, just pick any number for 'x',
and figure out the value of 'y' that goes with it.
Do that 3 times, and you've got 3 points on the graph.

Here ... I'll do 3 quick points:

Point-A:  x = 1     y =  4 / 1    =  4
Point-B:  x = 2     y =  4 / 2    =  2
Point-C:  x = 4     y =  4 / 4    =  1

Look at this:

Slope of the line from point-A to point-B
                         = (change in 'y') / (change in 'x') =  -2 .

Slope of the line from point-B to point-C
                         = (change in 'y') / (change in 'x') =  -1/2 .

The two pieces of line from A-B and from B-C don't even have
the same slope, so they're not pieces of the same straight line !
So my points A, B, and C are NOT in a straight line.

So the equation is NOT linear.

Try it again with three points of your own.
You might be interested in
Write two expressions where the solution is 19
lions [1.4K]
8+11=19 9+3+4+3=19 These two expressions equal nineteen. Hopefully that's what your looking for!
4 0
3 years ago
To convert a distance of 1.7 miles to feet, which ratio could you multiply by?
Free_Kalibri [48]

Option B: 5280 \ feet /1 \ mile is the ratio used to convert to miles to feet.

Explanation:

Given that the distance is 1.7 miles

We need to convert the distance 1.7 miles to feet.

The ratio of miles to feet can be determined by finding how many feet are there in a mile.

There are 5280 feet in a mile.

To convert the miles to feet, we need to multiply the mile by 5280 feet.

Thus, the distance is given by

1.7\times 5280=8976 \ feet

Hence, the distance of 1.7 miles to feet is 8976 feet.

Thus, the ratio that is required to convert miles to feet is 5280 \ feet /1 \ mile

Therefore, Option B is the correct answer.

6 0
4 years ago
Read 2 more answers
The slope of the line passing through the points (2,3) and (4, y) is
umka2103 [35]

Answer:

6

Step-by-step explanation:

y2-y1       y-3     =3     what -3 =3?    6 :)

x2-x1       4-2    = 2

slope is 3/2

8 0
4 years ago
Setting:
nata0808 [166]
A. Mr. Kent interviewed the 54 students as they are going to leave the school, it is not considered to be a random sample. It is because a random sample is when a set is taken from a population. Mr. Kent interviewed the 54 who are going to leave, meaning, he didn't take a set out of that 54, he took all of them. So it is not a random sample.

b. The question that Mr. Kent asked is considered to be a leading question, so it does not seem biased.

c. If there are 54 respondents.
51 = yes, the rest is no.
= 54 - 51 = 3
= 3 is now divided to 54 = 3/54
= giving an answer of 0.0555
= 0.0555 x 100
= 5.6%
= The percent of responses that says 'no' is 5.6%

6 0
4 years ago
Read 2 more answers
The leg of a right triangle is 3 units and the hypotenuse is 7 units. What is the length, in units, of the other leg of the tria
attashe74 [19]

7^2 = 3^2 +x^2

49 = 9 +x^2

x^2 = 49-9 =40

x = square root of 40

4 0
3 years ago
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